text: /****************************************************************************
  **
  ** Copyright (C) 2016 The Qt Company Ltd.
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  ** This file is part of the QtGui module of the Qt Toolkit.
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  ** accordance with the commercial license agreement provided with the
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  ****************************************************************************/
  
  #ifndef QDRAG_H
  #define QDRAG_H
  
  #include <QtGui/qtguiglobal.h>
  #include <QtCore/qobject.h>
  
  QT_BEGIN_NAMESPACE
  
  
  #ifndef QT_NO_DRAGANDDROP
  class QMimeData;
  class QDragPrivate;
  class QPixmap;
  class QPoint;
  class QDragManager;
  
  
  class Q_GUI_EXPORT QDrag : public QObject
  {
      Q_OBJECT
      Q_DECLARE_PRIVATE(QDrag)
  public:
      explicit QDrag(QObject *dragSource);
      ~QDrag();
  
      void setMimeData(QMimeData *data);
      QMimeData *mimeData() const;
  
      void setPixmap(const QPixmap &);
      QPixmap pixmap() const;
  
      void setHotSpot(const QPoint &hotspot);
      QPoint hotSpot() const;
  
      QObject *source() const;
      QObject *target() const;
  
      Qt::DropAction start(Qt::DropActions supportedActions = Qt::CopyAction);
      Qt::DropAction exec(Qt::DropActions supportedActions = Qt::MoveAction);
      Qt::DropAction exec(Qt::DropActions supportedActions, Qt::DropAction defaultAction);
  
      void setDragCursor(const QPixmap &cursor, Qt::DropAction action);
      QPixmap dragCursor(Qt::DropAction action) const;
  
      Qt::DropActions supportedActions() const;
      Qt::DropAction defaultAction() const;
  
      static void cancel();
  
  Q_SIGNALS:
      void actionChanged(Qt::DropAction action);
      void targetChanged(QObject *newTarget);
  
  private:
      friend class QDragManager;
      Q_DISABLE_COPY(QDrag)
  };
  
  #endif // QT_NO_DRAGANDDROP
  
  QT_END_NAMESPACE
  
  #endif // QDRAG_H
  